<<<<<<< HEAD
int main()
{
	return sum(1,3);
}

=======
int main(void){

    int a,b;

	printf("enter two numbers:");

	scanf("%d %d",&a,&b);

	printf("add:%d\n",add(a,b));

	printf("sub:%d\n",sub(a,b));

	printf("mul:%d\n",mul(a,b));

	printf("div:%lf\n",div(a,b));

	return 0;

}

>>>>>>> b654f5833c918598625b1ff8ff3a0f6d78a93d81
